Langer's Sudoku Assistant

9
4
7
3
6
5
    
       
    
 
       
       
    
       
    
5
6
8
2
1
9
3
7
4
3
2
1
7
8
4
9
5
6
4
8
3
2
5
6
7
9
1
9
5
2
1
4
7
6
8
3
1
6
7
8
9
3
5
4
2
    
       
    
 
       
       
    
       
    
5
3
4
6
7
9
7
9
6
8
2
1
4
3
5
4
3
5
6
7
9
2
1
8

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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